摘要：let list = [ [464.1, 884.4], [1.1, 884.4], [1.1, 23.4], [204.1, 23.4], [464.1, 23.4], ]; function a(list) { let area = 0.0; let Gx = 0.0; let Gy = 0.0 阅读全文